When animating with bones, it is important to remember that at frame 0, you are only in setup mode. Changes you make to the bone structure during setup mode don’t affect the keys or animation. However, if you alter the skeleton at any frame other than 0, then a set of keys will be created for the change. Working with keys and the Timeline palette is covered in more detail in Part IV, “Animating in Anime Studio.”
Any bone movement changes made with the Manipulate Bones tool (Z) while at frame 0 will automatically be reset when another tool is selected.
When any frame except frame 0 is selected, moving, scaling, or rotating bones will result in a new key being added to the Timeline. Moving a bone as part ...